# WeightsBook vs Heart Rate Analyzer Cardiobyte

The clearest difference is price: WeightsBook at $4.99 against Heart Rate Analyzer Cardiobyte's $39.99. WeightsBook also leads on in-app purchases (none vs 3) and ads (none vs shown). Heart Rate Analyzer Cardiobyte's advantage is rating (4.4 vs 3.0) and ratings volume (112 vs 1). On device support and iOS requirement there is nothing between them.

WeightsBook costs $4.99 and Heart Rate Analyzer Cardiobyte $39.99 up front. Heart Rate Analyzer Cardiobyte sells 3 in-app purchases, starting at $1.99 per 7 days. WeightsBook asks for nothing beyond the download.

Heart Rate Analyzer Cardiobyte holds the better App Store score, 4.4 against 3.0. That said, the two scores are not equally well evidenced: Heart Rate Analyzer Cardiobyte has 112 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 80% of WeightsBook's written reviews are positive against 67% of Heart Rate Analyzer Cardiobyte's, so the app with the better star average is not the one people write more warmly about.

WeightsBook ships an update every 2 weeks, Heart Rate Analyzer Cardiobyte every 5 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | WeightsBook | Heart Rate Analyzer Cardiobyte |
| --- | --- | --- |
| Price | **$4.99** | $39.99 |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/weightsbook/id1542573286/reviews) | **[4.4 (112 ratings)](https://appshunter.io/ios/app/heart-rate-analyzer-cardiobyte/id6477932032/reviews)** |
| Number of ratings | 1 | **112** |
| Positive reviews | **80.0% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 7 MB | 130 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Mike Hurwitz](https://appshunter.io/developer/1542573296) | [LifeWave, LLC](https://appshunter.io/developer/1559796145) |

## What reviewers say

### WeightsBook

[App page](https://appshunter.io/ios/app/weightsbook/id1542573286)

This app offers a digital alternative to traditional paper weightlifting journals. It tracks advanced training metrics and provides tools for both beginners and experienced lifters, including client management for trainers.

**Highlights:** Digital weightlifting journal, Advanced exercise tracking (RIR, RPE, partial reps), Superset and drop set support, Multiple client diaries, Workout and rest timer, Workout calendar

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Heart Rate Analyzer Cardiobyte

[App page](https://appshunter.io/ios/app/heart-rate-analyzer-cardiobyte/id6477932032)

This app tracks your heart health by analyzing heart rate, activity, sleep, and mindfulness. It uses AI to provide insights and answer health-related questions, integrating with Apple Health for comprehensive data. Understand how your lifestyle impacts your cardiovascular well-being.

**Highlights:** Heart rate and HRV monitoring, Activity and sleep analysis, Energy level tracking, Mindfulness logging, AI-powered health insights, Apple Health integration, Trends and comparisons

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| Monthly Subscription | $5.99 | per month |
| Annual Subscription | $24.99 | per year |


## Frequently asked questions

### Is WeightsBook free?

WeightsBook costs $4.99, with no in-app purchases.

### Is Heart Rate Analyzer Cardiobyte free?

Heart Rate Analyzer Cardiobyte costs $39.99, and also offers in-app purchases.

### Which has better reviews, WeightsBook or Heart Rate Analyzer Cardiobyte?

Heart Rate Analyzer Cardiobyte is rated higher. WeightsBook averages 3.0 out of 5 from 1 ratings, while Heart Rate Analyzer Cardiobyte averages 4.4 from 112 ratings.

### Do WeightsBook or Heart Rate Analyzer Cardiobyte have ads?

Heart Rate Analyzer Cardiobyte shows ads; WeightsBook does not.

### Which is updated more often, WeightsBook or Heart Rate Analyzer Cardiobyte?

WeightsBook ships an update every 2 weeks, and Heart Rate Analyzer Cardiobyte every 5 weeks. Most recently, WeightsBook was updated on November 3, 2026 and Heart Rate Analyzer Cardiobyte on November 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*